263145720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128993}}^1$

素因数の和:129024

約数の個数: 64

約数和(自身を含む): 835881120

約数和(自身を除く): 572735400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 128993, 257986, 386979, 515972, 644965, 773958, 1031944, 1289930, 1547916, 1934895, 2192881, 2579860, 3095832, 3869790, 4385762, 5159720, 6578643, 7739580, 8771524, 10964405, 13157286, 15479160, 17543048, 21928810, 26314572, 32893215, 43857620, 52629144, 65786430, 87715240, 131572860, 263145720]

約数ペア:

[(1, 263145720), (2, 131572860), (3, 87715240), (4, 65786430), (5, 52629144), (6, 43857620), (8, 32893215), (10, 26314572), (12, 21928810), (15, 17543048), (17, 15479160), (20, 13157286), (24, 10964405), (30, 8771524), (34, 7739580), (40, 6578643), (51, 5159720), (60, 4385762), (68, 3869790), (85, 3095832), (102, 2579860), (120, 2192881), (136, 1934895), (170, 1547916), (204, 1289930), (255, 1031944), (340, 773958), (408, 644965), (510, 515972), (680, 386979), (1020, 257986), (2040, 128993)]